1. A local postal carrier distributes first-class letters, advertisements, and magazines. For a certain day, she distributed the following numbers of each type of item. Find the following probabilities: Delivered to First-Class Letters Ads Magazines Home 325 406 203 934 Business 732 1021 97 1850 1057 1427 300 (n = 2784 a) The item went to a business. 1850 P( a buisness) 2784 b) The item was a magazine or it went to a home. P( magazine or nome ) = 1031